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252396993020 = 22541307801211
BaseRepresentation
bin1110101100010000001…
…0000111100111111100
3220010110222110201101112
43223010002013213330
513113402112234040
6311541035301152
724143430020414
oct3530402074774
9803428421345
10252396993020
119804a582617
1240abb2aa7b8
131aa54863c63
14c304ccb644
156873499365
hex3ac40879fc

252396993020 has 24 divisors (see below), whose sum is σ = 542961337968. Its totient is φ = 98496387200.

The previous prime is 252396993011. The next prime is 252396993049. The reversal of 252396993020 is 20399693252.

252396993020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 252396993020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153899786 + ... + 153901425.

It is an arithmetic number, because the mean of its divisors is an integer number (22623389082).

Almost surely, 2252396993020 is an apocalyptic number.

252396993020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252396993020 is an abundant number, since it is smaller than the sum of its proper divisors (290564344948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252396993020 is a wasteful number, since it uses less digits than its factorization.

252396993020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307801261 (or 307801259 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 50.

The spelling of 252396993020 in words is "two hundred fifty-two billion, three hundred ninety-six million, nine hundred ninety-three thousand, twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 307801211 615602422 1231204844 1539006055 3078012110 6156024220 12619849651 25239699302 50479398604 63099248255 126198496510 252396993020